16109144 has 16 divisors (see below), whose sum is σ = 30282720. Its totient is φ = 8033760.

The previous prime is 16109143. The next prime is 16109153. The reversal of 16109144 is 44190161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (1892670).

Almost surely, 2^16109144 is an apocalyptic number.

It is an amenable number.

16109144 is a deficient number, since it is larger than the sum of its proper divisors (14173576).

16109144 is a wasteful number, since it uses less digits than its factorization.

16109144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210 (or 5206 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 16109144 is about 4013.6198125881. The cubic root of 16109144 is about 252.5558821516. Note that the first 3 decimals are identical.

The spelling of 16109144 in words is "sixteen million, one hundred nine thousand, one hundred forty-four".